139 lines
2.8 KiB
Go
139 lines
2.8 KiB
Go
package tcpipwhitelist
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import (
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"context"
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"io"
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"net"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/traefik/traefik/v2/pkg/config/dynamic"
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"github.com/traefik/traefik/v2/pkg/tcp"
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)
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func TestNewIPWhiteLister(t *testing.T) {
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testCases := []struct {
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desc string
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whiteList dynamic.TCPIPWhiteList
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expectedError bool
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}{
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{
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desc: "Empty config",
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whiteList: dynamic.TCPIPWhiteList{},
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expectedError: true,
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},
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{
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desc: "invalid IP",
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whiteList: dynamic.TCPIPWhiteList{
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SourceRange: []string{"foo"},
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},
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expectedError: true,
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},
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{
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desc: "valid IP",
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whiteList: dynamic.TCPIPWhiteList{
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SourceRange: []string{"10.10.10.10"},
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},
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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next := tcp.HandlerFunc(func(conn tcp.WriteCloser) {})
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whiteLister, err := New(context.Background(), next, test.whiteList, "traefikTest")
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if test.expectedError {
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assert.Error(t, err)
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} else {
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require.NoError(t, err)
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assert.NotNil(t, whiteLister)
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}
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})
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}
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}
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func TestIPWhiteLister_ServeHTTP(t *testing.T) {
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testCases := []struct {
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desc string
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whiteList dynamic.TCPIPWhiteList
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remoteAddr string
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expected string
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}{
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{
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desc: "authorized with remote address",
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whiteList: dynamic.TCPIPWhiteList{
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SourceRange: []string{"20.20.20.20"},
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},
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remoteAddr: "20.20.20.20:1234",
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expected: "OK",
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},
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{
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desc: "non authorized with remote address",
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whiteList: dynamic.TCPIPWhiteList{
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SourceRange: []string{"20.20.20.20"},
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},
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remoteAddr: "20.20.20.21:1234",
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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next := tcp.HandlerFunc(func(conn tcp.WriteCloser) {
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write, err := conn.Write([]byte("OK"))
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require.NoError(t, err)
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assert.Equal(t, 2, write)
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err = conn.Close()
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require.NoError(t, err)
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})
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whiteLister, err := New(context.Background(), next, test.whiteList, "traefikTest")
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require.NoError(t, err)
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server, client := net.Pipe()
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go func() {
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whiteLister.ServeTCP(&contextWriteCloser{client, addr{test.remoteAddr}})
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}()
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read, err := io.ReadAll(server)
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require.NoError(t, err)
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assert.Equal(t, test.expected, string(read))
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})
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}
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}
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type contextWriteCloser struct {
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net.Conn
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addr
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}
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type addr struct {
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remoteAddr string
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}
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func (a addr) Network() string {
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panic("implement me")
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}
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func (a addr) String() string {
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return a.remoteAddr
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}
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func (c contextWriteCloser) CloseWrite() error {
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panic("implement me")
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}
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func (c contextWriteCloser) RemoteAddr() net.Addr { return c.addr }
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func (c contextWriteCloser) Context() context.Context {
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return context.Background()
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}
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